Function mock

packages/compiler-core/__tests__/transform.spec.ts:188–194

(node, context)

    const ast = baseParse(`<div :id="foo"/><div :id="bar"/>`)
    const hoisted: ExpressionNode[] = []
    const mock: NodeTransform = (node, context) => {
      if (node.type === NodeTypes.ELEMENT) {
        const dir = node.props[0] as DirectiveNode
        hoisted.push(dir.exp!)
        dir.exp = context.hoist(dir.exp!)
      }
    }
    transform(ast, {
      nodeTransforms: [mock],
    })